diff --git a/gitlab-runner_config_example/shell/etc/gitlab-runner/config.toml b/gitlab-runner_config_example/shell/etc/gitlab-runner/config.toml
index a25019e..7527edd 100644
--- a/gitlab-runner_config_example/shell/etc/gitlab-runner/config.toml
+++ b/gitlab-runner_config_example/shell/etc/gitlab-runner/config.toml
@@ -1,3 +1,7 @@
+# FIRST, generate a [[runners]] block using command 'sudo gitlab-runner register'
+# and THEN, add more options & modify options..
+# because the registration must be done explicitly from commnadline.. to get A_GENERATED_TOKEN.
+
 # simple setup running CI @ localhost
 # this means you need to manage python3 repos @ localhost by yourself!
 # but this builds really fast, because no image fetch/ no update packages, just make !